<!-- eslint-disable vue/multi-word-component-names -->
<template>
<div class="login-container">
  <van-nav-bar
  class="page-nav-bar"
  title="登录"
><template #left>
    <van-icon  name="cross" @click="$router.back()" />
  </template>

  </van-nav-bar>
<van-form @submit="onSubmit" ref="loginForm">
  <van-field
    v-model="user.mobile"
    name="mobile"
    placeholder="请输入手机号"
    :rules="userFormRules.mobile"
    type="number"
    maxlength="11"
  >
  <i slot="left-icon" class="font_family icon-shouji"></i>
  </van-field>
  <van-field
    v-model="user.code"
    name="code"
    placeholder="请输入验证码"
    :rules="userFormRules.code"
    type="number"
    maxlength="6"
  >
  <i slot="left-icon" class="font_family icon-yanzhengma"></i>
  <template #button>
    <van-count-down v-if="isCountDownShow" :time="1000*60" format="ss s" @finish="isCountDownShow=false"/>
    <van-button v-else class="send-sms-btn" native-type="button" round size="small" type="default" @click="onSendSms">发送验证码</van-button>
  </template>
  </van-field>
  <div class="login-btn-wrap">
    <van-button class="login-btn" block type="info" native-type="submit">登录</van-button>
  </div>
</van-form>
</div>
</template>

<script>
import { login, sendSms } from '@/api/user'
export default {
  name: 'LoginIndex',
  components: {},
  props: {},
  data () {
    return {
      user: {
        mobile: '',
        code: ''
      },
      userFormRules: {
        mobile: [
          {
            required: true,
            message: '手机号不能为空'
          },
          {
            pattern: /^1[3|5|7|8]\d{9}$/,
            message: '手机号格式错误'
          }
        ],
        code: [
          {
            required: true,
            message: '验证码不能为空'
          },
          {
            pattern: /^\d{6}$/,
            message: '验证码格式错误'
          }
        ]
      },
      isCountDownShow: false
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    async onSubmit () {
      const user = this.user
      this.$toast.loading({
        duration: 0, // 持续时间，0表示持续展示不停止
        forbidClick: true, // 是否禁止背景点击
        message: '登录中...' // 提示消息
      })
      try {
        const { data } = await login(user)
        this.$store.commit('setUser', data.data)
        this.$toast.success('登录成功')
        this.$router.back()
      } catch (err) {
        if (err.response.status === 400) {
          console.log('手机号或验证码错误')
          this.$toast.fail('手机号或验证码错误')
        } else {
          this.$toast.fail('登录失败，请稍后再试')
          console.log('登录失败，请稍后再试', err)
        }
      }
    },
    async onSendSms () {
      try {
        await this.$refs.loginForm.validate('mobile')
        // console.log("验证通过");
      } catch (err) {
        return console.log('验证失败', err)
      }
      this.isCountDownShow = true
      try {
        await sendSms(this.user.mobile)
        this.$toast('发送成功')
      } catch (err) {
        this.isCountDownShow = false
        if (err.response.status === 429) {
          this.$toast('验证码发送频繁，请稍后再试')
        } else {
          this.$toast('发送失败')
        }
        console.log('发送失败', err)
      }
    }
  }
}
</script>
<style scoped lang="less">
.login-container{
  .font_family{
    font-size: 24px;
  }
}
.send-sms-btn{
  background-color: #ededed;
  width: 90px;
  height: 30px;
  line-height: 30px;
  color:#666
}
.login-btn-wrap{
  padding: 30px 12px;
  .login-btn {
      background-color: #6db4fb;
      border: none;
    }
}
</style>
